Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75
The AirTAC Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75 is a genuine double-acting ISO 15552 profile-barrel air cylinder with a Ø32mm bore and 275mm stroke, G1/8 air ports and adjustable end cushioning. Its standardized mounting interface makes it a drop-in replacement for other ISO 15552 cylinders in automation lines.
- BoreØ32 mm
- Stroke275 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- CushionAdjustable, 27 mm
About the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75
The AirTAC SAIJ32X275-75 is a double-acting, single-rod ISO 15552 profile cylinder equipped with a rear stroke adjuster. It provides a nominal 275 mm stroke that can be dialed back by up to 75 mm, creating a precise 200-275 mm usable travel window for product changeovers. Delivering 402 N of push force at 0.5 MPa, it fits compact automation setups requiring flexible end-positioning.
This variant features a SUS420J2 stainless steel rod (material code A) for enhanced corrosion resistance and uses PT tapered port threads with a G1/8 connection. The extruded aluminum barrel includes sensor grooves on both sides. Note that the rear adjuster acts strictly as a travel stop and does not hold the load without continuous air pressure.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75 Technical Specifications
| Model | Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75 |
|---|---|
| Series | SAI ISO 15552 profile cylinder |
| Bore size | Ø32 mm |
| Stroke | 275 mm |
| Acting type | Double acting |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 27 mm |
| Max stroke | Up to 1000 mm |
Specifications follow the official AirTAC SAI series datasheet and ISO 15552 dimensions. Confirm against the product label before installation. Port options: G (BSPP) / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75
| SAI | ISO 15552 profile-barrel cylinder series. |
|---|---|
| 32 | Bore size in mm. |
| ×275 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Related SAI-family variants: SAID (double rod), SAIJ (adjustable stroke), SAIL (with lock), SAIF (with valve), BSAI (enclasp / clamp-lock), and SAI-S with built-in magnet. Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B); seals: TPU (blank) / Viton H / NBR N.
Where the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75 Is Used
Product Changeovers
Dial in the 200-275 mm travel window during format changes on packaging lines without physically replacing the cylinder.
End-Position Tuning
Fine-tune the retract stroke at machine commissioning to achieve exact stopping points without adding external mechanical stops.
Variable Stops
Sort or divert items of varying lengths on a conveyor by adjusting the rear stopper screw to modify the effective stroke.
Is the Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75 the Right Cylinder?
Choose this 32 mm bore when you need 402 N push force at 0.5 MPa with on-the-fly stroke tuning. If your application requires less force, stepping down is not an option in this ISO profile family, but stepping up to a 40 mm bore yields 628 N. The adjustable 200-275 mm window is perfect for machines running varied product sizes, eliminating the need to swap cylinders or add external stops. For load-holding without live air, consider the SAIL or BSAI series instead.
When replacing an ISO 15552 cylinder, match the 32 mm bore, 275 mm stroke, 75 mm adjustment range, PT G1/8 port, and required mounting bracket (Basic, FA, LB, TC, FTC, TCM1, or TCM2). Because the 275 mm stroke is relatively long for a 32 mm bore, ensure adequate external guidance to prevent excessive side-loading on the piston rod.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT/NPT/G)
- ✓ Magnet (-S) for sensors?
- ✓ Side load — consider a guided cylinder
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Adjust end cushion screws for smooth stops.
- check Use correct mounting accessory (FA/FB/CA/CB/LB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac Adjustable Cylinder SAIJ32 SAIJ32AX275-75 FAQ
At 0.5 MPa operating pressure, this 32 mm bore cylinder provides 402 N of push force and 345 N of pull force. The maximum thrust is 82 kgf at 1.0 MPa.
The rear adjuster screw allows you to shorten the effective travel by up to 75 mm. This creates a usable stroke window of 200 to 275 mm, letting you set the exact retract end position without swapping the cylinder.
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